Inventor

Toshio Katayama

Inventor
Osaka, JP

Overview

11→
Patents
1979–2021
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus14%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H04NPictorial communication, e.g. television14%
G06FElectric digital data processing10%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters10%
A61BDiagnosis5%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
B41JTypewriters5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
F27BFurnaces, kilns, ovens or retorts in general5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to DAI ICHI SEIKI CO LTD (1)· patent assignee history
1992Based in Fukui, JP· patent location history
2008–2012Patents assigned to HITACHI LTD (2)· patent assignee history
2008–2012Based in Hitachi, JP· patent location history
2009–2020Patents assigned to SONY CORP (5)· patent assignee history
2009–2012Based in Osaka, JP· patent location history
2011–2012Patents assigned to KATAYAMA TOSHIO (5)· patent assignee history
2011–2021Based in Tokyo, JP· patent location history
2012Patents assigned to SOGAWA HISAMO (3)· patent assignee history
2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KATAYAMA TOSHIOself52011–2012
SONY CORP52009–2020
SOGAWA HISAMO32012
HITACHI LTD22008–2012
DAI ICHI SEIKI CO LTD11992
Locations
LocationPatentsSpan
Osaka, JP42009–2012
Tokyo, JP22011–2021
Hitachi, JP22008–2012
Kanagawa, JP12020
Fukui, JP11992